![Alexandra Joyner](https://www.sloankettering.edu/sites/default/files/styles/width_200/public/node/3957/image/375652.jpg)
At Work: Developmental Biologist Alexandra Joyner
Alexandra Joyner, a global leader in mouse developmental genetics, studies how the body’s natural stem cells might be harnessed to fight disease.
![Alexandra Joyner](https://www.sloankettering.edu/sites/default/files/styles/width_200/public/node/5300/image/joyner.jpg)
Alexandra Joyner Elected to the Institute of Medicine
Alexandra L. Joyner have been elected members of the Institute of Medicine.